Flora of North America species comparison

segments green, broadly oblong to ovate to narrowly elliptic, (20–)4–60 × 2–3+ cm, low tuberculate;

areoles 7–11 per diagonal row across midstem segment, rhombic to subcircular, 2–4(–5) mm diam.;

wool brown.

1–6 per areole, absent or very highly reduced, or in marginal to nearly all areoles, erect to spreading, whitish, tan, or brown, setaceous only or setaceous and subulate, straight to slightly curved, basally angular-flattened, 1–10(–40) mm; 0–2 small bristlelike deflexed spines to 5 mm.

(0–)1–2(–4) per areole, in distal 3/4 of stem segment areoles (to nearly spineless), porrect to spreading, red-brown, aging gray, stout, straight, terete, to 30 mm, strongly barbed.

along adaxial margin of areole and small, inconspicuous tuft, yellowish, aging brown, less than 2 mm.

in crescent at adaxial edge of areole, pale yellow, aging brown, to 3 mm, longest at areole apex.

inner tepals yellow to orange throughout, 25–50 mm;

filaments and anthers yellow;

style bright red;

stigma lobes yellow.

inner tepals yellow throughout, 20–30 mm;

filaments and anthers yellow;

style and stigma lobes white.

yellow to orange to purple, 50–100 × 40–90 mm, fleshy to ± juicy, glabrous, usually spineless;

areoles 45–60, evenly distributed on fruit.

green becoming red-purple at late maturity, barrel-shaped, 18–30 × 12–20 mm, fleshy, glabrous, spineless;

areoles 8–16.

pale tan, subcircular, 4–5 mm diam., warped;

girdle protruding to 1 mm.

tan, subcircular, flattened, 4–6 mm diam.;

girdle slightly protruding.

= 88.

= 44.